JFE J JFE No. 24 2009 8 p. 12 16 Waterproof Material JFE Eco-lami, and Waterproof System J-Eco proof MIYAKOSI Shohei OSIDA iroyuki IZUMI Mitsuhiko JFE JFE JFE JFE JFE J JFE -5 TPO Thermo plastic poly olefi n elastomer filmj JFE Abstract: Waterproof material and Waterproof system J-Eco proof have been developed by JFE Galvanising. is hot-dip zinc-5% aluminium alloy-coated steel sheets laminated by TPOfi lm ( Thermo plastic poly olefi n elastomer film). J-Eco proof is a new waterproof system that shares the function; taking waterproof function by TPOfi lm, and strength function by steel sheets. 1. 1000 m 2 / 1) JFE -5% TPO Thermo plastic poly olefi n elastomer film JFE 2. JFE Fig. 1 Photo 1 1 TPO film 200 µm Primer t 0.4 0.8 mm ot-dip zinc-5% Aluminium alloy-coated steel sheets Polyester coat omponent of 1 JFE Appearance of JFE 1 1 JFE 2008 12 1 1 JFE NE-0022 22 12
Fig. 2 TPO sheets Unification The joint of 2 Perfect seamless water proof Perfect seamless water proof 2 JFE 2 JFE TPOThermo plastic polyolefi n elastomer - Table 1 Performance of GI : Galvanized iron 5% Al : ot-dip zinc-5% Aluminium alloy-coated steel sheets : Excellent : Good : Fair : Bad JFE Eco-lami Vinyl Polyester oating material chloride Fluoride Polyolefin Baking Film laminated oating thickness 10 20 µm 200 µm 40 µm 200 µm Galvanizing GI GI 5% Al 5% Al Bending (180 ) omponrnt orrosion Resistance hemical resistance SST (2 000 h) Exposure 1 Sea shore Industrial aria ountry aria 10% Sulfuric acid 10% Sulfuric acid 5% Acetic acid 10% Sodium hydroxide Acetone MEK Toluene Abrasion resistance JFE 3 1 TPO 200 µm 4 2-5 h 2 TPO 5 2 TPO 6 3 Peeling resistance SWOM- 2 000 h hemical structure Film thickness Specific gravity (umidity pass (g/m 2 24 h)) Primary 5 h 25 h E GR% Secon dary* 2 Table 2 Performance of TPO fi lm Vinyl chloride l 200 µm 40 µm 200 µm 1.3 1.6 0.9 5 20 n Fluoride - (no idea) 0.31 2.2 0.3 0.2 18 90 110 *Boiling E : Delta equivalence GR : Gloss retention : Good : Bad Unadopted Unadopted Unadopted : Good : Usual : Bad 2 F F Adopted Primer n Adopted film Polyolefin 3 F n Unadopted -5 h Photo 2 Result of peeling test 13 JFE No. 242009 8
No change TPO sheeets igh stiffness Before After metal weather test 2 100 h 3 (TPO) Photo 3 Result of metal weather test 2 100 2 TPO 2 100 7 JIS G 3317-5% 2008 JFE JFE JFE 3. J 3.1 J JFE J 3 J JFE TPO TPO 120 mm 40 mm 40 mm J 4 1 2 3 Breakless Root prevention 4 Fig. 4 4 J The merit of J-Eco-proof 3.2 Peeling prevention by drilling screw JFE ( ) 3 Drilling screws Tapes welding (Width: 40 mm) Non-welding (Expansion)(Width: 40 mm) TPO sheets t1.5 mm t0.4 mm (standard) 120 mm Width: 500 mm (standard) 40 mm 40 mm Beams Insulation boards Structural boards 3 J Fig. 3 Waterproof system J-Eco proof JFE No. 242009 8 14
Specimen 3 Table 3 The parameter of fl atnesstest Emboss Size (mm) Number Size (mm) Direction Thickness Width Length Width Depth Photo E-1-1 E-1-2 0.4 480 6 000 2 Nothing 415 E-2-1 E-2-2 2 Vertical 415 D0.5 E-3-1 E-3-2 2 orizontal 415 D0.1 0.2 E-4-1 E-4-2 2 Vertical orizontal 415 D v 0.5 D h 0.4 eight (mm) 12.0 10.0 8.0 6.0 4.0 2.0 0.0 2.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Measuring point E-1-1 E-2-1 E-3-2 E-4-2 5 Fig. 5 Result of fl atness test 5 JFE 3.3 J 4 JFE TPO TPO JFE 5 4. JFE TPO sheets orner patch A orner patch B Roof draining Drilling screw 4 J Photo 4 Auxiliary goods J 15 JFE No. 242009 8
Fix by drilling screw welding (Automatic-Flat place) J 1 welding (and-operated-flat place) welding (and-operated-orner) Roof draining Photo 5 The whole view 5 Views under construction JFE No. 242009 8 16